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chap 11.
| Question | Answer |
|---|---|
| Location of meninges? | membrane surrounding CNS |
| Function of meninges? | To protect the brain |
| Name the layers of meninges. | Dura meter, arachnoid and pia. |
| inner layer of meninges | Pia |
| Outer layer of meninges | Dura meter |
| Middle layer of meninges | Arachnoid |
| Location of the ventricles of the brain? | Within cerebral hemispheres and brainstem |
| name the 4 venticles of the brain? | 1. lateral right2. Lateral left3.3rd4.4th |
| what is located within the ventricles of the brian? | Cerebral Spinal Fluid |
| Name the structure that connects the 3rd ventricle with the 4th ventricle? | Cerebral aqueduct |
| _______ _________ secrete cerebrospinal fluid. | choroid plexus |
| 3 fuctions of the CSF? | 1. provides nutrients2.supports3. maintain stable ion concentration |
| 2 function of the spinal cord | 1.center for spinal refleces2. conduit for nerve impulses to and from the brain |
| define reflex arc | automatic, subconcious responces to stimuli within or outside body |
| reflex arc drawing | receptor - CNS - effector |
| where is an impulse carried by an efferent neuron being carried to? | CNS |
| Where is an impulse carried by an afferent neuron being carried to? | Effector |
| List 3 reflex types? | 1. monosynaptic reflex2. Withdraw reflex3. Crossed extensor reflex |
| Which type of reflex attempts to limit tissue damage? | Withdraw reflex |
| Which type of reflex helps maintain proper posture? | Monosynaptic |
| Which type of reflex crosses sensory impules to produce an opposite effect? | Crossed extensor reflex |
| ____ tracts of the spinal cord carry impulses to the muscles and glands. | Asending |
| _____ tracts of the spinal cord carry impules to the brain for processing. | Desending |
| 6 functions of the brain. | 1. reasoning2. stores memory3. creates personality4. sensation5. perception6. coordinates mucsle movements |
| name the 5 major parts of the brain. | 1. cerebrum2. basal nucleus3. diencephlon4. brainstem5. cerebellum |
| During brain development the brain begins development as 3 vesicles? | 1. forebrain2. midbrain3. hindbrain |
| Contrast the longitudinal fissure and trasverse fissure. | long= up and down split.transverse= left and right <-> |
| contrast convolutions and sulci | convoultions- bumpssulci= grooves |
| the ____ ______ connects the two hemispheres of the brain. | corpus collosum |
| Name the 5 lobes of the cerebral hemispheres | 1. frontal2. temporal.3. parietal4. insula5. occipital |
| four functions of the cerebrum | 1. interpret impulses2. initiating voluntary movements3. stores information4. reasoning |
| visual perception, emotions, music patterns, nonverbal tasks, and motor tasks | nondominant |
| speech, analytical and computational skills | dominant |
| voluntary eye movement | frontal eye field |
| motor area controls muscles needed for speech | Broca's area |
| Smell | parietal |
| taste | frontal |
| vision | occipital |
| touch | parietal |
| hearing | temporal |
| CSF is locatied in the what space? | subarachnoid |
| which motor area controls voluntary muscle movements? | motor areas |
| ____ ____ are masses of gray matter deep in the cerebrum that pro. dopamine. | Basal Nuclei |
| functuon of the thalamus | gateway for sensory impules heading to cerebral cortex |
| diencephlon located? | above brainstem |
| function of hypothalamus | maintain homeostatic functions |
| function limbic system? and location | controls emotion, feeling, images. located various parts of CNS |
| 3 parts of brain | midbrain, pons, medulla oblongata |
| function on pons. | reg. rate and depth of breathing |
| functions of medualla oblongata | nonvital reflex control center, respiratory center |
| slow wave sleep | restful, dreamless |
| REM | heartrate and resp. rates irregul. |
| cerebellum location | inferior to occipital lobe |
| functions of cerebellum 2 | balance; corr. skeletal muscle activity. |